Professor X-Sums

by Dr Logic · Difficulty 5 of 5 by Dr Logic

CASE 3311

Professor X-Sums

  • Killer cages
  • Kropki dots
  • Arrows
  • Palindromes
  • Odd and even cells

The brief

Normal sudoku rules apply. Digits in a grey circle must be odd. Cells seperated by a black dot must be in a 1:2 ratio Cells seperated by a white dot are consecutive Cells along a grey line form a palindrome. Cells along an arrow must sum to the digit in the circle at the end. Cells in a cage must sum to the clue in the top left of the cage, with no repeats. Cells on a grey square must be even.

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